{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T21:25:42Z","timestamp":1791321942393,"version":"4.3.1"},"reference-count":34,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2026,1,19]],"date-time":"2026-01-19T00:00:00Z","timestamp":1768780800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Max Zeller S\u00f6hne AG"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>Cimicifuga racemosa extracts, particularly the ethanolic extract Ze 450, are widely used to alleviate menopausal symptoms, such as hot flushes and excessive sweating. While their clinical efficacy is well established, the effects of these interventions on systemic energy metabolism remain unclear. This pilot study investigated the impact of Ze 450 on body composition, metabolic markers, and voluntary physical activity in non-ovariectomized female Wistar rats. Animals (N = 36) received Ze 450 at either 30 mg\/kg or 130 mg\/kg body weight, with or without access to voluntary wheel running over four weeks. Neither treatment influenced body weight gain or final body weight, indicating normal growth across all groups. Post-mortem analyses included visceral fat mass, serum cholesterol, and leptin levels. Both Ze 450 and running reduced visceral fat mass, adipocyte size, and circulating leptin levels, suggesting that they share overlapping mechanisms. Serum cholesterol was significantly lowered by running but remained unaffected by Ze 450, while liver weight and alanine aminotransferase activity were unchanged, confirming hepatic safety. Collectively, Ze 450 improved key metabolic parameters related to adiposity and appetite without affecting hepatic integrity, highlighting its potential as a safe, non-hormonal metabolic modulator complementary to physical activity.<\/jats:p>","DOI":"10.3390\/ijms27020977","type":"journal-article","created":{"date-parts":[[2026,1,20]],"date-time":"2026-01-20T13:02:07Z","timestamp":1768914127000},"page":"977","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Pilot Investigation on the Metabolic Effects of Cimicifuga racemosa Extract Ze 450 and Voluntary Physical Activity in Female Rats"],"prefix":"10.3390","volume":"27","author":[{"ORCID":"https:\/\/orcid.org\/0009-0000-6374-9359","authenticated-orcid":false,"given":"Elisabeth","family":"Habersatter","sequence":"first","affiliation":[{"name":"Institute of Cardiology and Sports Medicine, German Sport University Cologne, 50933 Cologne, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7573-9999","authenticated-orcid":false,"given":"Tihomir","family":"Kostov","sequence":"additional","affiliation":[{"name":"Institute of Cardiology and Sports Medicine, German Sport University Cologne, 50933 Cologne, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nele","family":"Laing","sequence":"additional","affiliation":[{"name":"Institute of Cardiology and Sports Medicine, German Sport University Cologne, 50933 Cologne, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J\u00fcrgen","family":"Drewe","sequence":"additional","affiliation":[{"name":"Medical Department, Max Zeller Soehne AG Switzerland, 8590 Romanshorn, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Georg","family":"Boonen","sequence":"additional","affiliation":[{"name":"Medical Department, Max Zeller Soehne AG Switzerland, 8590 Romanshorn, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7516-8789","authenticated-orcid":false,"given":"Veronika","family":"Butterweck","sequence":"additional","affiliation":[{"name":"Medical Department, Max Zeller Soehne AG Switzerland, 8590 Romanshorn, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patrick Rene","family":"Diel","sequence":"additional","affiliation":[{"name":"Institute of Cardiology and Sports Medicine, German Sport University Cologne, 50933 Cologne, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,1,19]]},"reference":[{"key":"ref_1","unstructured":"World Health Organization (2021). 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